Direct Derivatives:
* Mansion: A large dwelling, especially a stately or luxurious one.
* Permanent: Lasting or intended to last for a long time.
* Remain: To stay in a particular place or condition.
* Remnant: A small part or amount of something that is left over.
* Tenement: A rundown and overcrowded apartment building, especially in a poor area of a city.
Words with Prefixes:
* Emanate: To come out from a source.
* Immanent: Existing or inherent in something.
* Inherent: Existing in something as a permanent, essential, or characteristic attribute.
* Permanent: Lasting or intended to last for a long time.
* Remnant: A small part or amount of something that is left over.
* Remains: The body of a dead person.
Words with Suffixes:
* Endurance: The ability to withstand hardship or pain for a long time.
* Maintenance: The process of keeping something in good condition.
* Permanence: The state of lasting or being intended to last for a long time.
This is not an exhaustive list, but it provides a good starting point for understanding the various ways in which the root word "manere" is used in English.